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DRV411AIRGPT, Sensor Interface Sensor Signal Conditioning IC
Semiconductors\Interface ICs\Sensor InterfaceDRV411 Sensor Signal Conditioning IC
Texas Instruments DRV411 Sensor Signal Conditioning IC is designed to condition InSb Hall elements for use in closed-loop current-sensor modules. The DRV411 provides precision excitation circuitry for the Hall-element effectively eliminating the offset and offset-drift of the Hall element. This device also provides a 250mA H-bridge for driving the sensor compensation coil as well a precision differential amplifier to generate the output signal. The 250mA drive capability of the H-bridge roughly doubles the current measurement range compared to conventional single-ended drive methods. The Hall sensor front-end circuit and the differential amplifier employ proprietary offset cancelling techniques. These techniques, along with a high-accuracy voltage reference, significantly improve the accuracy of the overall current-sensor module. The output voltage is pin-selectable to support a 2.5V output for use with a 5V power supply, as well as 1.65V for 3.3V sensors. For optimum heat dissipation, the DRV411 is available in thermally enhanced 4mm x 4mm QFN and TSSOP-20 with PowerPAD packages.
| Brand | Texas Instruments |
| Development Kit | DRV411EVM |
| Factory Pack Quantity: Factory Pack Quantity | 250 |
| Features | AFE for Magnetic Current Sensing |
| Input Type | Magnetic Sensor |
| Manufacturer | Texas Instruments |
| Maximum Operating Temperature | +125 C |
| Minimum Operating Temperature | -40 C |
| Moisture Sensitive | Yes |
| Mounting Style | SMD/SMT |
| Number of Channels | 1 Channel |
| Operating Supply Voltage | 2.7 V to 5.5 V |
| Output Voltage | 2.5 V |
| Package / Case | QFN-20 |
| Product Category | Sensor Interface |
| Product Type | Sensor Interface |
| Reference Type | External, Internal |
| Series | DRV411 |
| Subcategory | Interface ICs |
| Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 2.7 V |
| Type | Magnetic Sensor Signal Conditioner |
| Вес, г | 0.07 |
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